Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves from Jiangsu KM Hydraulic Control System Co., Ltd. These engineering masterpieces seamlessly integrate pressure, flow, and directional control into a single, cohesive unit, presenting a new standard in hydraulic technology. Featuring three pivotal functional modules: connecting blocks, directional valves, and end plates, these valves are meticulously designed for hydraulic systems in engineering machinery. They skillfully manage the movement direction and speed of hydraulic cylinders, motors, and other actuators. With a compact structure, remarkable energy efficiency, and stepless speed control, these valves ensure multiple actuators operate in perfect harmony under varying loads, delivering unmatched performance and versatility.
The HLPSL valves are specifically tailored for constant displacement pump systems, whereas the HLPSV valves are meticulously engineered for variable pump systems. While HLPSV valves may have a marginally slower response time, they offer exceptional energy-saving performance, making them the ideal choice for applications where efficiency is of utmost importance. Experience the pinnacle of hydraulic innovation and efficiency with our HLPS series valves.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1)Basic Code of Connection Block
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2) Port P & R of the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component:
C,Standard Type;
G,Throttle Valve (Only Used for HLPSL);
H,Fixed Differential Overflow Valve for Improving the Circulating Pressure (About 14 Bar, HLPSL);
(4)Pilot Oil Circuit Pressure:0 Without Pressure Reducing Valve; 1 With Pressure Reducing Valve (20 Bar); 2 With Pressure Reducing Valve (40 Bar);
(5)2/2-Way Magnetic Ball Valve for System Unloading: C, Without Magnetic Ball Valve; F, Normally Open Magnetic Ball Valve, In Case of Power Supply, the Pump is Pressurized; In Case of Power Failure, the Pump Carries Out Unloading; D: Normally Closed Magnetic Ball Valve, In Case of Power Supply, the Pump Carries Out Unloading; In Case of Power Failure, the Pump is Pressurized; D../F. . , With Pressure Limiting Valve, It Can Serve as Secondary Pressure (F50) With Pressure Value Indicated;
(6)Tool Adjustable, Pressure Limiting Valve in the Connection Block: Pressure Limiting Valve Sets Such as 63, 120, 210, 280, 315, 350, 400 Bar; /NF: Without Pressure Limiting Valve (Only for HLPSV);
(7)Product Series: -2 Series;-3 3 series; -5 5 series;
(8)Thread size of directional spool valve ports A & B: 2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for inlet and outlet (ideal for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable;
(10) Function symbol of valve core: L, M, F, H, J, B, R, O, N;
(11) Output flow code of ports A & B: Maximum output flow of ports A & B (typically select 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, unit (bar);
(13) Function ON/OFF and pressure outlet: N, without function ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B;
(14) Operation manner: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control (two pilot oil ports align with oil ports A and B); F, pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively);
(15) Ancillary block: /2 Ancillary block port size G3/8; /3 Ancillary block port size G1/2; /4 Ancillary block port size G3/4; /5 Ancillary block port size G1;
(16) End plate: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y is additionally attached; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted; in power supply scenarios, the system pressure rises to the safety valve pressure;
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed;
(17) Control voltage and the length of anti-explosion type cable: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G1221848411
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of innovation and unparalleled excellence within the hydraulic industry. As a proud member of the prestigious China Baoan Group (stock code: 000009) and lauded as a national high-tech enterprise, we are dedicated to the research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological progress and superior quality.
Our flagship product, the load-sensitive proportional valve, is the pinnacle of advanced hydraulic system control, meticulously engineered for construction machinery and heavy-duty equipment. This versatile component is crucial for emergency rescue operations, tunnel engineering, mining applications, and municipal service vehicles. We take immense pride in our collaborations with numerous leading domestic manufacturers, playing a vital role in the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' we remain steadfast in our mission to deliver exceptional products, services, and solutions. Our ultimate goal is to become a globally trusted supplier of premier hydraulic components.
Question1. What about the lead time?
Answer:The lead time for production is typically one month after payment has been received.
Question2. Do you have any MOQ limit for LED light orders?
Answer: We offer a low minimum order quantity; even a single piece for sample checking is available.
Question3. How to proceed with an order for LED lights?
Answer: First, let us know your specific requirements or application. Second, we will provide a quote based on your requirements or our expert suggestions. Third, you confirm thedrawings and place a deposit to formalize the order. Finally, we will arrange the production.
Question4. Is it OK to print my logo on the product?
Answer: Yes, it is possible. Please inform us formally before production starts and confirm the design based on the sample we provide.
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